Home / 301,207.20-415,947.21-193,965.83

Finding the Fourth Proportional to 301,207.20, 415,947.21 and 193,965.83

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Solution

The fourth proportional to 301,207.20, 415,947.21 and 193,965.83 is: 267,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,207.20 : 415,947.21 = 193,965.83 : x
  2. Step 2: Convert to fraction form
    301,207.20/415,947.21 = 193,965.83/x
  3. Step 3: Cross multiply
    301,207.20x = 415,947.21 × 193,965.83
  4. Step 4: Simplify right side
    301,207.20x = 80,679,545,823.83
  5. Step 5: Solve for x
    x = 80,679,545,823.83/301,207.20
  6. Step 6: Final answer
    x = 267,853.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.